Pivotable Handle Shield for Paint Overspray Protection
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Solution Overview
Problem
Existing methods for protecting unintended surface areas from overspray during construction projects are inefficient in conserving storage and display space and do not allow for flexible positioning during use.
Innovation Solution
A shield device with a pivotable sheet member and handle member that can be configured for storage, transport, and display in a folded state, and for use in an unfolded state with adjustable positioning to accommodate various spraying needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the shield device is made rigid and separate (handle and sheet member as distinct components), then the device provides structural stability and ease of manufacture, but it occupies more storage space and is difficult to display properly
Solution Approach 1:
The handle member and sheet member are merged into a single integrated shield device structure. The handle member includes a body portion and a distal end portion that form part of the same continuous structure as the sheet member, eliminating the need for separate handle and shield components. This integration allows the device to be displayed and stored as one unit, reducing storage space requirements while maintaining structural integrity through the unified design.
Solution Approach 2:
The shield device incorporates dynamic positioning capabilities through the distal end portion of the handle member, which can be positioned at various angles (e.g., perpendicular, parallel, or intermediate positions) relative to the sheet member. This dynamic adjustability allows the device to adapt to different usage scenarios while maintaining a compact form when not in use, resolving the contradiction between structural stability and storage efficiency.
2Ease of operation
If the handle member is positioned perpendicular to the sheet member, then the user can spray directly above the body, but the device cannot accommodate sideways reaching into corners
Solution Approach 1:
The distal end portion of the handle member is designed with dynamic positioning capability, allowing it to be adjusted to various angles including perpendicular (for overhead spraying), parallel (for sideways reaching), and intermediate positions. This dynamic adjustability enables the user to adapt the shield device to different spraying scenarios, whether spraying directly above the body or reaching into corners, thereby resolving the contradiction between ease of operation and adaptability.
Solution Approach 2:
The shield device utilizes parameter changes in the positioning angle of the distal end portion to adapt to different usage requirements. By changing the angular parameter of the handle member relative to the sheet member, the device can transition between different operational modes (overhead spraying vs. sideways reaching), providing both ease of operation and versatility without requiring multiple separate devices.
3Object-affected harmful factors
If conventional spray shields are used, then surface protection is provided, but storage and display space is not conserved and misplacement of components occurs
Solution Approach 1:
The invention merges the handle member and sheet member into a single integrated shield device structure. The handle member includes a body portion and distal end portion that are continuously formed with the sheet member, eliminating separate components that could be misplaced. This integration maintains effective overspray protection while reducing storage space requirements and eliminating the risk of component misplacement, directly addressing the drawbacks of conventional separate spray shields.
Data Source
AI summary
A shield device helps prevent selected surface areas from being painted by a paint material. The shield device includes a sheet member; and a handle member pivotable in a plane defined by the sheet member. The shield device is arranged between a folded configuration where the handle member is positioned generally parallel to an attachment edge of the sheet member, and an unfolded configuration, and an unfolded position.